The FNIRSI® SAG-55 Intelligent Hot Air Gun is a portable, smart hot air station engineered for professional electronics rework and precision DIY soldering tasks. It integrates a microcontroller with PID temperature control to achieve rapid, stable heating while minimizing thermal shock to the heating element. A built-in brushless fan offers quiet, long-life operation with linear airflow adjustment across 20 levels for precise desoldering and component heating.
Ergonomic design and intuitive controls make the SAG-55 easy to operate one-handed: the handle houses a magnetic sensor that automatically enters a smart sleep mode when placed down and wakes when picked up. The handle-mounted controller and 1.54-inch LCD (240×240) display allow quick adjustments of temperature and airflow, and three user presets store preferred temperature/airflow combinations for fast switching. A dedicated cold-air mode accelerates cooling to protect the heating core, while a fast-cool function shortens cooling time to extend component life.
Key Features
Magnetic sensor smart sleep stand for automatic standby and accelerated cool-down.
Brushless fan with 1–20 level smooth speed control, low noise (<65 dB) and 80 L/min max airflow.
Hot & cold air switch with one-press cold-air mode and multi-color status indication.
Three one-touch presets to save and recall temperature and airflow (100–450°C).
PID precise temperature control with real-time sensor monitoring and automatic protection on abnormalities.
Specifications
Model: SAG-55
Power: Max 550W; Input: 100–140V AC (US plug) or 200–240V AC (EU plug); Frequency: 50–60 Hz.
Temperature range: 100–450°C (212–842°F); step: 5–25°C; standby: 70–100°C.